The value of a motor bike depreciates by 20% each year. brian says "after 2 years, the value of the motor bike will have reduces by 40%". he is wrong. explain why

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.